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ERROR 1046 (3D000): No database selected. When I ran these SQL below: SELECT * FROM person; Or: SHOW EVENTS; So, I selected apple database with use(USE) as shown below, then the error was solved. *You can omit ;: use apple; Or: USE apple;
20 lut 2024 · MySQL error 1046, which stands for “ No Database Selected,” is one of the most common errors that can prevent database operations. It happens when you run a query and don’t specify the target database. In this article, we will discuss "How to resolve, Error 1046: No database selected".
2 lut 2024 · The most common cause of this error is simply forgetting to specify which database to use before executing a query. Diagnosis: Check if the database has been selected by looking at your SQL query or script. Fix: Select the database using the USE statement before your query: USE database_name; SELECT * FROM table_name;
1 lis 2022 · When I use MySql.EntityFrameworkCore 6.0.7, if I do not specify a database in my connection string, I get a "No database selected" exception when using the entities to select data with Linq statements.
MySQL can have multiple databases. So, when we don’t know about it and we execute the query directly, MySQL throws ERROR 1046 (3D000) No database selected. It indicates that we did not select any particular database. So we have to select the database before executing any query.
23 lis 2023 · const dotenv = require('dotenv'); dotenv.config(); const config = { dialect: process.env.DB_DIALECT || "mysql", host: process.env.DB_HOST || "127.0.0.1", port: process.env.DB_PORT || 3306, username: process.env.DB_USERNAME || "root", password: process.env.DB_PASSWORD, }; // console.log(config); module.exports = { url: process.env.DB_CONNECTION ...
2 gru 2021 · The error no database selected frequently occurs in MySQL when you perform a statement without selecting a database first. In the following example, I tried to query a students table immediately after connecting to the mysql command line: mysql> SELECT * FROM students; ERROR 1046 (3D000): No database selected.
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